8383results about "Shock proofing" patented technology

The invention discloses a composite protective structure resistant to blast shock which is mainly a point truss honeycomb integral protective structure formed by a honeycomb tensile layer and a lattice truss-type compression resistance layer through welding spots and connecting keys, and a foam energy absorbing layer is added on the outer layer. According to the composite protective structure, theforce transmission path of a concrete protective structure under the action of blast is innovatively optimized, the resistance level of the protective structure can be greatly improved, and the structure ductility is improved; and the dispersion of concrete fragments in the structure can be restrained, and the phenomenon of blast and explosion-induced collapse of similar traditional concrete protective structures is eliminated.

The present invention relates to the technical field of fabricated buildings. Disclosed is a fabricated steel structure residence system. The fabricated steel structure residence system of the present invention comprises a frame portion and a shear wall portion, wherein the frame portion comprises a special-shaped column, a steel beam and a floor system; and the special-shaped column comprises a steel pipe and a plurality of T-shaped steels arranged along a peripheral wall of the steel pipe. A combined T-O section form of the special-shaped column provided by the present invention can realize relative separation of a pressure from bending on a combined section, such that the fabricated steel structure residence system has good bending bearing capacity and rigidity. The characteristic of an outer T-shaped steel is used such that a full-bolt connection form can be used between the steel beam and the special-shaped column. Moreover, a reinforcement member is provided at a beam-column joint, such that the rigidity and strength of the joint region are improved. In addition, specific structures of a floor system and a shear wall are further optimized, and a corresponding joint connection method is provided, such that the fabricated steel structure residence system that can be quickly assembled and is stable in terms of connection is formed.

The invention relates to an assembly type node connecting device with a flexible damping function and an assembly damping method. The connecting device comprises a first upright post and a second upright post which are axially connected with the connecting sleeve, and a cross beam which is radially connected with the connecting sleeve; the first stand column and the second stand column are connected through a limiting ball and a first connecting assembly of a linkage damping mechanism of the annular energy dissipation groove. The first stand column, the second stand column and the connecting sleeve are connected through a second connecting assembly for secondary energy consumption through an elastic block and a spring combination. The cross beam is detachably connected with the connecting sleeve through a third connecting assembly; and a fourth connecting assembly for dissipating energy through a plurality of groups of elastic damping units is arranged between the first stand column and the connecting sleeve.

The invention relates to the technical field of building shock insulation, and discloses a building shock insulation rubber support which comprises a bottom connecting plate and a top connecting plate, a damping rubber body is arranged between the bottom connecting plate and the top connecting plate, and a first through hole is formed in the middle of the damping rubber body; a plurality of fixing grooves are formed in the damping rubber body in the axial direction, and metal plates are arranged in the fixing grooves. By arranging the bottom connecting plate with the adjusting rod, one part of the adjusting rod is inserted into the damping rubber body, and one end of the adjusting rod is movably connected with the bottom connecting plate, after vibration is finished, if the damping rubber body cannot restore to the original shape, force is applied to one end of the adjusting rod through a hydraulic mechanism in a pushing or pulling mode, and the damping rubber body cannot restore to the original shape. Under pushing of the adjusting rod, resetting of the damping rubber body can be rapidly completed, and operation is convenient and rapid.

The invention belongs to the technical field of shock insulation supports, and particularly relates to a composite thick laminated rubber shock insulation support with self-adaptive damping, a shock insulation method of the composite thick laminated rubber shock insulation support and an intelligent fluid preparation method. According to the technical scheme, the composite thick laminated rubber shock insulation support with the self-adaptive damping function comprises an upper connecting steel plate and a lower connecting steel plate, a steel plate layer, a rubber layer, a pressure sensing layer and a sensor network layer are arranged between the upper connecting steel plate and the lower connecting steel plate, and a plurality of fluid cavities communicated through pipelines are formed in the rubber layer; the pressure sensing layer is provided with an electromagnetic coil, a piezoelectric driving unit and a valve body, the valve body is connected with the fluid cavity through a guide pipe, the electromagnetic coil is arranged on the valve body in a sleeving mode, and the electromagnetic coil and the valve body are electrically connected with the piezoelectric driving unit. The invention provides a composite thick laminated rubber shock insulation support with self-adaptive damping, a shock insulation method of the composite thick laminated rubber shock insulation support and an intelligent fluid preparation method, and the composite thick laminated rubber shock insulation support has intelligent sensing and self-adaptive adjusting functions and can keep long-term stability.

The invention discloses an assembly type anti-explosion and anti-explosion wall, and belongs to the technical field of anti-explosion walls, the assembly type anti-explosion and anti-explosion wall comprises a phase change heat exchange energy-saving wall body, an explosion venting opening is formed in the phase change heat exchange energy-saving wall body, the explosion venting opening is square, an explosion venting window is installed on the explosion venting opening, a pressure bearing mechanism is arranged on one side, located outside, of the phase change heat exchange energy-saving wall body, and the pressure bearing mechanism is connected with the explosion venting window. The pressure-bearing mechanism is used for reducing explosion pressure and comprises a pressure-bearing box, a plurality of pressure-bearing plates which are rotationally connected with one another are arranged in the pressure-bearing box, first springs are jointly connected among the pressure-bearing plates, an air bag is further arranged in the pressure-bearing box, and the air bag is arranged in the pressure-bearing box. A material storage box is further arranged on the face, located outside, of the phase change heat exchange energy-saving wall body, fire extinguishing materials are arranged in the material storage box, a transmission box is arranged above the material storage box, an opening mechanism is arranged in the transmission box, the air bag is connected with the opening mechanism, and the air bag is extruded when explosion occurs. Explosion impact can be relieved, and meanwhile on-site fire sources can be extinguished.

The present invention relates to the technical field of thermal insulation walls, an integral prefabricated embedded sandwich thermal insulation wall, comprising an thermal insulation board body, a casting layer is cast on the outer side of the thermal insulation board body, outer protective layer plates are provided on both sides of the casting layer, a connection mechanism is provided inside the thermal insulation board body to facilitate strengthening the stability of the connection with the thermal insulation board body, a positioning mechanism is provided between the thermal insulation board body and the outer protective layer plate to facilitate positioning the spacing and controlling the casting thickness of the casting layer, the positioning cylinder is fixedly connected to one side of the thermal insulation board body, and the limit indicator rod is fixedly connected to the outer surface of the positioning cylinder. The integral prefabricated embedded sandwich thermal insulation wall is provided with an adjustment sleeve sleeved on the positioning cylinder fixedly connected on both sides of the thermal insulation board body, and the adjustment sleeve is connected to the connecting nut and the connecting bolt connected to the outer protective layer plate through a threaded hole, so as to control the casting thickness of the casting layer according to the required adjustment of the spacing between the thermal insulation board body and the outer protective layer plate.

The support comprises an upper seat plate, a spherical crown lining plate, a middle steel lining plate and a lower seat plate, the upper seat plate is fixedly installed at the bottom of a beam bottom, the spherical crown lining plate is arranged between the upper seat plate and the middle steel lining plate, the middle steel lining plate is arranged between the spherical crown lining plate and the lower seat plate, and the spherical crown lining plate is fixedly installed on the lower seat plate. The lower seat plate is fixedly mounted at the top of a bridge pier, the bottom surface of the upper seat plate is fixedly connected with a first limiting ring through a first anti-shear pin, the first limiting ring abuts against the middle steel lining plate, the top surface of the lower seat plate is fixedly connected with a second limiting ring through a second anti-shear pin, and the second limiting ring abuts against the middle steel lining plate. In a normal use state, the slip surface adopts a large curvature radius and a small friction coefficient to provide smaller damping, reduce the acting force of the support on a bridge and reduce the lifting of a beam end, and in an earthquake state, the slip surface adopts a small curvature radius and a large friction coefficient to provide larger damping, so that the shock absorption and isolation effect of the support is improved; and displacement of the bridge under the earthquake condition is controlled.

The invention discloses a multi-structure novel auxetic metamaterial replaceable energy dissipation metal damper, and relates to the technical field of anti-seismic equipment, the multi-structure novel auxetic metamaterial replaceable energy dissipation metal damper comprises a fixing seat, through the fixing seat, plate-shaped auxetic supporting and columnar double-deformation mechanism novel auxetic metamaterial double structures are used for energy dissipation at the same time, so that the anti-seismic function is achieved; the building can be dynamically protected under the earthquake vibration impact effect; the modular replaceable energy consumption core body design is adopted, and quick disassembly and replacement of damaged components are achieved through the assembly type design; meanwhile, a self-adaptive displacement compensation structure is combined, and the stability of the main body structure is maintained in the continuous energy consumption process; according to the device, the anti-seismic reliability of a building structure in the whole life cycle is remarkably improved, the later operation cost is reduced through the maintenance-friendly design, and all-around performance optimization from earthquake protection to daily maintenance is achieved.

A strong column-weak beam design method for a steel frame beam-box column under bidirectional earthquake excitations, comprising: designing an initial frame; on the basis of a reaction spectrum CQC method calculation result of the initial frame, defining important beam-column joints and important cross sections according to a designed axial compression ratio; unifying bidirectional COF values of the important beam-column joints; determining the degree of realization of "strong column-weak beam", and proposing two quantifiable evaluation indexes P1 and P2; and counting a damage index D of the frame after elastoplastic time history analysis of multiple natural waves, and according to evaluation criteria, obtaining parameter frames conforming to a target yield mechanism, if a parameter frame satisfies the target yield mechanism, considering that the frame can realize a target "strong column-weak beam" yield mechanism in the evaluation criteria, and if the parameter frame does not satisfy the target yield mechanism, indicating that the designed frame cannot realize the "strong column-weak beam" yield mechanism conforming to the evaluation criteria under the bidirectional earthquake excitations, and needing to redesigning the frame by increasing the bidirectional COF values.

The present invention relates to a prefabricated infilled panel-frame structure capable of accommodating seismic-loading and seismic energy dissipation, and a construction method thereof, including a frame body, a prefabricated infilled panel group, a panel connector, and a disc spring assembly. During an earthquake, the present invention slides to dissipate energy only after the maximum starting sliding force is exceeded, thus providing the structure with a relatively high lateral stiffness prior to sliding. After an earthquake, the disc spring assembly of the present invention may provide a certain restoring force due to being compressed so as to reduce the residual displacement. Further, the present invention achieves the bidirectional deformation cooperation of the prefabricated infilled panel under earthquakes, so that the infilled panel may still achieve the function of seismic energy dissipation under the coupling action of in-plane and out-of-plane loads.

The invention discloses a fabricated building module anti-seismic connection node structure, which relates to the field of fabricated buildings, is used for connecting beam columns and I-shaped beams, and comprises two connection plates symmetrically mounted at the end parts of the I-shaped beams; the fixing base is fixedly installed on the beam column, two symmetrically-arranged bearing parts are arranged on the fixing base, inserting grooves allowing the connecting plates to be inserted are formed in the bearing parts, and the connecting plates are connected with the bearing parts through bolts; the N first friction pieces are arranged between the two bearing parts; the first friction pieces and the second friction pieces are distributed in a staggered mode to form a friction contact face, during an earthquake, displacement of the beam column and the I-shaped beam forces the first friction pieces and the second friction pieces to slide relatively, kinetic energy is converted into heat energy to be dissipated, meanwhile, the N first friction pieces and the N + 1 second friction pieces are staggered to form multi-point friction, and the friction contact face is formed. The energy consumption efficiency is gradually increased along with the displacement magnitude, the anti-seismic energy consumption capacity of the structure is greatly improved, and damage of an earthquake to a building structure is effectively reduced.

The single-ring-plate hidden bracket beam-column connecting joint comprises a frame column and a superposed beam, the frame column is provided with a lower ring plate and a stiffening rib plate, holes are formed in the intersection position of the steel pipe wall of the frame column and superposed beam top ribs, the superposed beam top ribs on the two sides of the joint penetrate through the holes in the steel pipe wall, and superposed beam bottom ribs are connected with a beam bottom embedded steel plate in a welded mode. And the embedded steel plate is welded with the frame column outer ring plate. Efficient assembly is achieved by means of fillet weld connection between the beam bottom embedded steel plate and the side face of the lower ring plate, an upper ring plate is omitted to reduce material cost, the short stiffening rib plates are additionally arranged to enhance joint rigidity, the structure is simple, the force transmission path is clear, and the problems that traditional frame joint overhead welding construction is complex, the positioning precision requirement is high, and stability is insufficient are solved. While the assembly efficiency and quality are improved, a high-reliability node solution is provided for the assembly type frame structure.

According to the high-damping anti-drawing three-dimensional seismic mitigation and isolation support, the long-term load borne by the metal rubber composite spring is reduced, and the service life of the metal rubber composite spring is prolonged. The vertical seismic mitigation and isolation assembly and the horizontal seismic mitigation and isolation assembly are connected and fixed. The metal-rubber composite spring is arranged between the vertical seismic mitigation and isolation top plate and the vertical seismic mitigation and isolation bottom plate, the upper end of the metal-rubber composite spring is fixed with the vertical seismic mitigation and isolation top plate, and the lower end of the metal-rubber composite spring is fixed with the vertical seismic mitigation and isolation bottom plate; the upper supporting seat is fixed on the vertical seismic mitigation and isolation top plate, and the lower supporting seat is fixed on the vertical seismic mitigation and isolation bottom plate; the shear fork lifting mechanism is movably arranged between the upper supporting base and the lower supporting base, the upper bearing base is slidably connected to the lower portion of the upper supporting base, and the lower bearing base is slidably connected to the upper portion of the lower supporting base. The upper end of the scissor fork is connected with the upper bearing seat, and the lower end is connected with the lower bearing seat; the elastic supporting mechanism is connected with the shear fork and elastically supports the shear fork.

The invention discloses a beam-column joint reinforced through FRP pipes, and belongs to the technical field of construction building structures, the beam-column joint comprises a joint formwork for bearing concrete, a plurality of steel bars are arranged in the joint formwork and are distributed in a horizontally and vertically staggered mode, the FRP pipes are vertically arranged at the joint positions in the joint formwork, a plurality of through holes are formed in the side faces of the FRP pipes in a penetrating mode, and the FRP pipes are connected with the joint formwork. The reinforcing steel bars penetrate through the penetrating holes, the FRP pipe is arranged in the middle of the beam-column joint, the FRP pipe provides 45-degree shear resistance and annular constraint for the beam-column joint through the tubular structure, the bending resistance of the beam-column joint in the vibration environment is improved, the FRP pipe is arranged to replace the vertical limit reinforcing steel bars, the number of the reinforcing steel bars is reduced, and the construction efficiency is improved.

The invention relates to the technical field of sound absorption, noise reduction and impact resistance, in particular to a multifunctional tunable bionic sound absorption and collision prevention integrated superstructure and a preparation method thereof.The multifunctional tunable bionic sound absorption and collision prevention integrated superstructure comprises a shell, an upper sound absorption layer, a lower sound absorption layer and a middle collision prevention layer, the sound absorption layer is provided with a plurality of curved-surface microwell plates which are connected end to end to form a cavity, and the embedded pipe is combined with the cavity to form a Helmholtz resonator; the anti-collision layer is composed of an energy absorption unit array. The preparation method comprises the steps that a three-dimensional model is firstly built, then a laser scanning mode and parameter printing are set, then heat treatment is conducted, then cutting and layer taking are conducted, and finally the superstructure is manufactured through glue joint. The sound absorption and noise reduction functions and the energy absorption and anti-collision functions are integrated, the sound absorption performance is improved through the bionic structure, energy is efficiently absorbed through the middle layer dot matrix, adjustable performance and lightweight design are achieved through parameterized design, the additive manufacturing process is simple, convenient and efficient, and large-scale production and application are facilitated.

The utility model relates to a high-performance sealed viscous damping wall, and belongs to the technical field of civil engineering structures. Comprising steel frames, gapless spherical hinges, bushings, piston rods, pistons, oil cylinders, extension pipes, experiment connecting holes, shells, lug plates and embedded parts, the steel frames are arranged on the left side and the right side of the high-performance sealed viscous damping wall, the inner sides of the steel frames are symmetrically and fixedly connected with two or more sets of gapless spherical hinges, and viscous dampers are arranged between every two sets of gapless spherical hinges. The viscous damping wall has the beneficial effects and advantages that the viscous damping wall adopts a completely sealed structure, so that the pollution of silicone oil is avoided, and the durability of a product is ensured; the damping wall is easy to install on site, and the damping wall can be rotationally and obliquely installed according to the actual situation on site; an experiment table connecting hole is formed in the steel frame side plate, so that the non-destructive experiment of the viscous damping wall is realized; and the multiple groups of viscous dampers are connected with the steel frame through the gapless spherical hinges, so that the good cooperative work performance is achieved.

The invention belongs to the technical field of dampers, and particularly provides a shock-absorbing damper for a high-rise building, which comprises supports fixedly mounted on an upper boss and a lower boss, a damper body is hinged between the two supports, a spiral pipe is arranged on the outer side of the damper body, one support is connected with a sleeve, and the other support is connected with a spring. An air outlet one-way valve and an air inlet one-way valve are arranged on the sleeve, the air outlet one-way valve is connected with a pressurizing box through a hose, a conveying pipe is arranged in the pressurizing box, and the conveying pipe is communicated with an inlet of the spiral pipe through a hose. In the reciprocating motion process of the damper body, the sleeve and the inflating piston rod are matched to pressurize the pressurizing box, cooling liquid in the pressurizing box is pressed into the spiral pipe, heat of the damper body is taken away, the temperature of the damper body is kept within a proper range, and the situation that the energy dissipation capacity of the damper body is affected by too high temperature is avoided; the problem that in the prior art, the energy dissipation capacity of a damper is weakened due to high temperature is solved.

The utility model discloses a novel air rib type inflatable membrane structure which comprises a main body structure formed by combining a plurality of independent air rib inflatable columns side by side from front to back, a grid drawstring structure is laid outside each air rib inflatable column, and each grid drawstring structure is composed of an axial drawstring, an annular drawstring and an inclined drawstring. The grid drawstring structure is provided with connection fixing points on the front side and the rear side of the air rib inflation columns, and the adjacent air rib inflation columns are connected through the connection fixing points. The limitation of the tensile strength of the PVC film material is broken through through the inflatable column external constraint drawstring net, and a mixed structure form of internal air pressure support and external drawstring net pulling is formed, so that the structure form is more stable, and the load resisting capacity is high; the air rib inflatable column structure of the external constraint drawstring net relieves the local stress concentration of the inner arc generated by the stress characteristic of the arc arch column, and the safety of the whole structure is effectively improved. And a modularized assembly structure form is adopted, so that disassembly, assembly and movement are convenient.

The invention relates to the technical field of curtain walls, in particular to an assembly type curtain wall splicing structure which comprises mounting frames, a panel is arranged on one side of each mounting frame, a connecting part is arranged between each panel and the corresponding mounting frame, a quick disassembly and assembly assembly is arranged between the two mounting frames, each connecting part comprises two connecting frames, and the two connecting frames are arranged on the upper side and the lower side of the corresponding mounting frame respectively. A connecting strip is arranged on one side of the connecting frame, the panel is connected with the connecting strip, a fixing piece is arranged on one side of the connecting frame, a limiting piece used for limiting the panel is arranged on one side of the mounting frame, fixing plates are arranged on the two sides of the mounting frame, a buffering groove is formed in one side of the connecting strip, and two buffering strips are arranged on the inner side of the buffering groove. Through the design of the connecting frames and the connecting strips on the upper side and the lower side of the mounting frame, the panel and the mounting frame are stably connected, the limiting pieces and the fixing plates are matched, displacement of the panel is effectively limited, it is guaranteed that the overall structure of the curtain wall is stable, large external force impact such as strong wind and earthquakes can be resisted, and building safety is guaranteed.

The invention discloses a large-span concrete structure construction method based on a frequency modulation mass damper, which comprises the following steps: firstly, erecting a formwork body, paving a beam bottom formwork, and then binding beam steel bars; then, profile steel embedded parts are installed, embedded lug plates are welded, and H-shaped steel beams are installed; then, a beam side mold is closed and reinforced; then, a frequency modulation mass damper is installed and welded and fixed, and a weld joint is coated with anti-corrosion and fireproof paint; construction of a structural formwork is conducted on the portion where the frequency modulation mass damper is installed; finally, concrete is poured; and after concrete pouring is completed, the formwork is removed, and construction of the large-span concrete structure with the frequency modulation mass damper is completed. The purpose of saving the construction period is achieved by improving the construction process, the project of reserving a hoisting hole is omitted by installing the damper in place in advance at a time, the risk of leakage of the structural slab due to a construction joint can be avoided, and the purpose of saving the construction period can be further achieved.

The invention provides a full-tension spoke type crossed cable truss structure system and a construction method thereof, and relates to the technical field of building structures, the full-tension spoke type crossed cable truss structure system comprises a first supporting column system, a second supporting column system, a first pressing ring beam, a second pressing ring beam, a first crossed cable net, a second crossed cable net, a first inner ring cable structure, a second inner ring cable structure, slings and a diagonal bridging, the first pressing ring beam is fixedly connected with the first supporting column system, one end of the second supporting column system is fixedly connected with the first pressing ring beam, the other end of the second supporting column system is fixedly connected with the second pressing ring beam, the first crossed cable net is connected with the first pressing ring beam and the first inner ring cable structure, and the second crossed cable net is connected with the second pressing ring beam and the second inner ring cable structure. The sling is connected with the first crossed cable net and the second crossed cable net, and the diagonal bridging is hinged to the first supporting column system and the second supporting column system. The method has the beneficial effects that compressive yield failure is avoided, the method can adapt to complex load conditions, the force transmission path is clear, and the rigidity requirement of a super-large-span structure is met.

The invention relates to the technical field of earthquake resistance of building structures, in particular to an assembly type self-resetting friction energy dissipation angle brace provided with a disc spring, which comprises a first connecting component, an elastic sliding component and a second connecting component which are sequentially and slidably connected along the same axis, and the elastic sliding component can be stretched or compressed along the axis direction. A first friction plate is arranged between the first connecting component and the elastic sliding assembly, and the first friction plate is used for providing damping during axial relative movement between the elastic sliding assembly and the first connecting component. According to the embodiment of the invention, when the first connecting component and the second connecting component generate relative axial displacement, the elastic sliding assembly slides and elastically deforms under the action of the limiting piece, part of earthquake energy is stored, meanwhile, part of earthquake energy is dissipated through the first friction plate, and when the elastic sliding assembly resets and releases the stored elastic potential energy, the earthquake energy is stored. The energy stored by the first friction plate is dissipated, so that the vibration of the building is dissipated in the friction of the first friction plate.

The invention discloses a quasi-zero stiffness vibration double-control device based on metamaterials, and relates to the technical field of vibration isolation and vibration reduction control. The device comprises a vertical vibration isolation structure, a horizontal vibration isolation layer, a middle plate, an upper connecting plate and a lower connecting plate, the vertical vibration isolation structure is connected to the top face of the horizontal vibration isolation layer, and the device is characterized in that the vertical vibration isolation layer is composed of a plurality of quasi-zero-stiffness metamaterial cell elements which are horizontally and evenly distributed, and each quasi-zero-stiffness metamaterial cell element comprises a buckle mechanism and a wave-shaped beam mechanism; the negative stiffness generated in the movement process of the buckle mechanism and the positive stiffness generated in the loading process of the wave-shaped beam mechanism counteract each other, and a quasi-zero stiffness mechanism is formed. According to the quasi-zero-stiffness metamaterial cell element, the initial stiffness of the quasi-zero-stiffness metamaterial cell element can be changed by adjusting the pre-tightening force of the bolts, so that the vertical bearing capacity is changed, different engineering requirements are met, the problem that low-frequency vibration isolation of a traditional vibration isolation device fails is solved, and the quasi-zero-stiffness metamaterial cell element is particularly suitable for meeting the earthquake and vibration dual-protection requirements of rail transit upper cover buildings.

The invention relates to the technical field of steel structure industrial factory building design and construction, and discloses an intelligent assembly type steel structure industrial factory building which comprises a steel structure factory building, and the steel structure factory building comprises a supporting unit. According to the intelligent assembly type steel structure industrial factory building, the performance of the steel structure factory building is improved through three innovations, the supporting units are connected with key components in a groove embedded mode, a three-dimensional force transmission system of double supporting columns and a bottom frame is combined, roof loads are dispersed in a multi-path mode, stress concentration is reduced, and the assembly efficiency is improved by 40% through standardized prefabricated parts; the cushioning unit drives a spring to be compressed through hinged swing to form a collaborative energy dissipation mechanism, redundant buffering and straddle column pulling are used for restraining lateral displacement, the earthquake lateral displacement angle is reduced by 35%, the fresh air unit generates uniform vortex airflow through a five-fan-blade array embedded in a supporting beam, energy is saved by 20%, intelligent noise reduction and speed regulation are achieved to adapt to the high-temperature and high-humidity environment, and the structural stability, anti-seismic performance and environmental performance are comprehensively improved.

The invention discloses a high-rise concrete module which comprises a bottom plate, a top plate and a pair of side plates, the bottom plate, the top plate and the pair of side plates form a cuboid structure with two open ends, one side plate is a wall shell, and the two ends of the wall shell in the length direction form edge constraint component parts. A staggered connecting structure is arranged at the bottom of the edge restraining component part, a positioning structure corresponding to the staggered connecting structure of an adjacent module is arranged at the top of the edge restraining component part, a plurality of vertical key grooves are formed in the outer side of the wall shell at intervals in the length direction, and connecting pieces are arranged in the vertical key grooves. The invention further discloses a construction method of the high-rise concrete module connecting structure. According to the invention, the connection number of the vertical steel bars is reduced, traditional sleeve grouting connection and corrugated pipe slurry anchor lap joint connection are avoided, the field installation efficiency can be obviously improved, and the engineering quality risk is reduced.

The invention relates to the related technical field of building fence structures, and discloses an energy-saving composite phase change heat storage building envelope structure which comprises a phase change heat storage plate and a heat insulation plate, the phase change heat storage plate comprises a heat storage plate shell, a first mounting groove is formed in the outer side face of the heat storage plate shell, and a first movable groove is formed in the first mounting groove; a sliding block is arranged at the first movable groove, a fourth connecting block is fixedly connected to the side face of the sliding block, a first connecting block is movably connected to the top of the fourth connecting block, a first connecting plate is fixedly connected to the side face of the first connecting block, and a spring damper and a connecting rod are fixedly connected to the side face of the first connecting plate; a second mounting groove is formed in the inner side face of the heat preservation plate shell, and a supporting block is arranged at the bottom of the second mounting groove. When the device is installed, the wall body can be fixed through the structure between the phase change heat storage plate and the heat insulation plate, the heat insulation effect is better, and meanwhile the installation process is simpler and more convenient.

The invention relates to a stroke-sectioned adjustable variable-damping inflatable hydraulic multi-damping device, and belongs to the technical field of vibration control. Comprising a roll shaft support assembly, a working cylinder assembly, a spring damping assembly and a piston mechanism assembly. The working cylinder assembly is mainly composed of a connecting pull ring, a main liquid storage cylinder, a limiting device, tightness adjusting threads, a piston rod connecting position, an auxiliary liquid storage cylinder and an air storage cylinder. The spring damping assembly is mainly composed of an adjusting spinning roller, a damping spring, a spinning roller damping gasket and a spring damping gasket. The piston mechanism assembly is composed of a piston rod and driving pistons on the two sides. The roller shaft support assembly is composed of a roller shaft fixing support and a pin. Through mechanism linkage of the liquid storage cylinder and the air storage cylinder, the inflatable hydraulic damping device is formed, and the purposes of damping changing and vibration reduction are achieved. The shock resistance and the transmission efficiency of a vibration reduction system can be improved, the energy consumption effect, the structural rigidity and the stability are enhanced, and the advantages of being simple in structure, convenient to implement and the like are achieved.

The invention relates to the technical field of thermal insulation decorative plates. A base body layer is prepared from the following raw materials in parts by weight: 25 to 30 parts of quartz, 10 to 15 parts of clay, 8 to 12 parts of fly ash, 7 to 11 parts of a binding and balancing agent, 6 to 9 parts of a talc powder modified tonality agent, 5 to 8 parts of glass beads, 4 to 7 parts of a flame retardant, 2 to 4 parts of a dispersing agent, 1 to 3 parts of a foaming agent and 20 to 25 parts of deionized water. The thermal insulation and decoration integrated board is prepared by matching the base body layer with the facing layer, the base body layer is prepared by blending and coordinating quartz, clay and fly ash with glass beads, a flame retardant, a dispersing agent and a foaming agent, and the added coupling and balancing agent and the added adjusting agent modified by blended talcum powder are matched and jointly synergic, so that the thermal insulation and decoration integrated board is prepared. The thermal insulation property, the impact resistance and the fire resistance of the product are improved in a balanced and coordinated manner, and meanwhile, the product has remarkable water resistance, acid corrosion resistance and thermal cycling stability.